420325750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{457}}^1$

素因数の和:770

約数の個数: 64

約数和(自身を含む): 852231744

約数和(自身を除く): 431905994

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 283, 325, 457, 566, 650, 914, 1415, 1625, 2285, 2830, 3250, 3679, 4570, 5941, 7075, 7358, 11425, 11882, 14150, 18395, 22850, 29705, 35375, 36790, 57125, 59410, 70750, 91975, 114250, 129331, 148525, 183950, 258662, 297050, 459875, 646655, 742625, 919750, 1293310, 1485250, 1681303, 3233275, 3362606, 6466550, 8406515, 16166375, 16813030, 32332750, 42032575, 84065150, 210162875, 420325750]

約数ペア:

[(1, 420325750), (2, 210162875), (5, 84065150), (10, 42032575), (13, 32332750), (25, 16813030), (26, 16166375), (50, 8406515), (65, 6466550), (125, 3362606), (130, 3233275), (250, 1681303), (283, 1485250), (325, 1293310), (457, 919750), (566, 742625), (650, 646655), (914, 459875), (1415, 297050), (1625, 258662), (2285, 183950), (2830, 148525), (3250, 129331), (3679, 114250), (4570, 91975), (5941, 70750), (7075, 59410), (7358, 57125), (11425, 36790), (11882, 35375), (14150, 29705), (18395, 22850)]